LED lighting device

Abstract

The invention discloses an LED illumination device, including an open lamp house, a circuit board, at least an LED and a lamp cover; the circuit board is arranged on the bottom of the lamp house, at least an LED is electrically connected to the surface of the circuit board; the lamp cover is covered at the opening of the lamp. The illumination device also includes a reflecting module arranged in the lamp house, which has at least a mat film and a bottom reflecting plate. The mat file is arranged with a plurality of loopholes and at least a mat film covers the LED; the bottom reflecting plate between the circuit board and the mot film is arranged with at least a via hole corresponding to the LED, and the LED passes through the via hole; at least a mat film and the bottom reflecting plate constitute a light beam multiple reflecting space. The LED illumination device has the advantages of increased light uniformity.

Description

LED lighting device technical field The invention relates to an illuminating device, in particular to an illuminating device using a light emitting diode. Background technique Light Emitting Diode (LED) has the characteristics of environmental protection, high mechanical reliability and high service life, so it is a new trend to use LED as the light source of the lighting device. Please refer to FIG. 1 , which shows a conventional elongated LED lighting device 10 (hereinafter referred to as LED lighting device). The LED lighting device 10 includes a light box 11 , a circuit board 12 , a side-light LED light source 13 , a reflector 14 , an LED top reflector 15 and a lamp cover 16 . The light box 11 is a hollow strip structure with an opening 112 . The circuit board 12 is also strip-shaped, and is correspondingly arranged on the bottom of the light box 11 . The plurality of edge-lit LED light sources 13 are electrically connected and arranged on the upper surface of the ...

AI Technical Summary

Problems solved by technology

However, even if the above-mentioned side-light LED light source 13 is matched with the LED top reflector 15, the light beam emitted by the LED light source 13 is fully mixed in the space formed by the reflective assembly 14 and the lamp cover 16, and the space between adjacent LED light sources 13 There are still obvious dark areas

That is to say, the point light source cannot be effectively converted into a uniform surface light source, so the brightness of the emitted light from the LED lighting device 10 is uneven.

To sum up, the above phenomena will lead to a decline in the quality of LED lighting devices

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